Sample LC84-417

NavDat sample number 61223 · RHYODACITE

Sample

Latitude	40.5317
Longitude	-121.553
State / province	California
Volcanic field	Lassen Volcanics, Eagle Peak Sequence

Age (Ma)	Error	Min	Max	Geologic age	Dated by
2.65		0	5.3

Item	Value	Unit	Method
SIO2	69.58	WT%	WDXRF
AL2O3	15.37	WT%	WDXRF
FE2O3	0.61	WT%	WDXRF
FEO	2.21	WT%	WDXRF
FEOT	2.76	WT%	WDXRF
MGO	1.39	WT%	WDXRF
CAO	3.34	WT%	WDXRF
NA2O	4.22	WT%	WDXRF
K2O	2.71	WT%	WDXRF
TIO2	0.4	WT%	WDXRF
P2O5	0.12	WT%	WDXRF
MNO	0.05	WT%	WDXRF
LOI	1.22	WT%	LOI
TOTAL	97.83	WT%	WDXRF
MG_NUMBER	53		WDXRF
RB	75	PPM	EDXRF
SR	329	PPM	EDXRF
BA	800	PPM	EDXRF
Y	16	PPM	EDXRF
ZR	138	PPM	EDXRF
NB	8	PPM	EDXRF
NI	13	PPM	EDXRF
CU	5	PPM	EDXRF
ZN	31	PPM	EDXRF
CR	10	PPM	EDXRF